5.6- Solving Quadratic Equations by Finding Square Roots

5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
5.6­ Solving Quadratic Equations by Finding Square Roots
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Perfect Square
Square root
radical
sign
The whole thing is a radical
radicand
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Properties of square roots­
> Product property
Example
> Quotient property
> Simplifying Square Roots­ You can use the properties above to simplify expressions containing square roots. A square root is simplified if:
> no radicand has a perfect­square factor other than 1.
> there is no radical in the denominator.
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Simplify the expression.
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Rationalizing the denominator­ To simplify an expression, you must eliminate any radical from the denominator. 5
5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Simplify each radical expression.
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Page 258 (#18­44 evens)
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
5.6­ Solving Quadratic Equations by Finding Square Roots
Day 2
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
You can use square roots to solve some quadratic equations. The solutions can have a positive and negative solution. This solutions can be written , which is read "plus or minus the square root of a."
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
Page 258­259 (#46­66 evens)
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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5.6­ Solving Quadratic Equations by Finding Square Roots annotated.notebook
December 10, 2015
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